Although the prevalence of postpartum anemia is common—as high as 50% in high-income countries and 80% in low- and middle-income countries—no universal definition or standard of care exist for postpartum anemia. Since approximately 45% of Nigerian women are anemic postpartum, mostly due to iron deficiency, researchers compared the effectiveness and safety of a single dose of intravenous ferric carboxymaltose (20 mg/kg) compared to oral ferrous sulphate (65 mg; twice a day for six weeks) in a multicenter, parallel, open-labeled randomized controlled trial among postpartum women with moderate-to-severe anemia in Nigeria. During the trial, 1400 women (mean age, 29 years; 41% first pregnancy) with moderate (97%) to severe (3%) postpartum anemia (hemoglobin <100 g/L) were randomized to receive intravenous (n=701) or oral iron (n=699). After six weeks, 18% of the women in the intravenous arm were anemic (Hb<110 g/L; 115/655) compared to 32% (214/662) in the oral arm, and at six months rates of anemia were still lower in the intravenous arm compared to the oral arm (16% versus 24%, respectively). The proportion of women who needed RBC transfusions to treat anemia were the same in both arms (2%), but fewer women had adverse events with the intravenous iron formula (8%) compared to the oral arm (20%). A single dose of intravenous iron for women with postpartum anemia may be beneficial in low resource areas to improve maternal health.
Reference:
Afolabi B, Adaramoye V, Adeyemo T et al. Intravenous ferric carboxymaltose versus oral ferrous sulphate for the treatment of moderate-to-severe postpartum anaemia in Nigerian women (IVON-PP): an open-label, randomised controlled trial. The Lancet Global Health 2026 DOI: 10.1016/S2214-109X(26)0001-X
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